Here is my weekly weather quiz question “What is “Snotel?”
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The Jet Stream gives us Zonal airflow (West to East) continuing keeping temperatures about average for this time of the year over the Pacific Northwest. The graphics for days 1-3 show a complex frontal system moving into Oregon today. The graphics for days 3-7 Saturday through Wednesday show two frontal systems pushing through the Pacific Northwest Friday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 40 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 20 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 27 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM TODAY DUE TO WILDFIRE SMOKE FOR DOUGLAS, KLAMATH, JACKSON, AND LAKE COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM TODAY DUE TO WILDFIRE SMOKE FOR DESCHUTES COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 2 PM TODAY FOR WILDFIRE SMOKE FOR HARNEY COUNTY.
HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Sunny and a bit warmer today, mostly clear this evening, partly cloudy late tonight,
- A mix of clouds and sun and a bit cooler Thursday, partly cloudy at night,
- Mostly sunny Friday, then mostly clear with a (40%) chance of showers Friday night.
- highs 85-82 lows 55-52.
- A mix of clouds and sun with (40%) chance of showers and a slight (20%) chance of thunderstorms Saturday, partly cloudy with a slight (20%) chance of showers Saturday night,
- Mostly sunny Sunday, partly cloudy at night,
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Then mostly sunny and a bit warmer Tuesday.
- highs 79-83 lows near 52. (seasonal averages high 85 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: LOW (6)
Last Measured 8.6.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Some AM clouds, sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy late tonight,
- Mostly cloudy start, partly cloudy and a bit cooler Thursday afternoon, partly cloudy at night,
- AM clouds, sunny Friday afternoon, partly cloudy with a slight (20%) chance of showers late Friday night.
- highs 85-82 lows near 58.
- Partly cloudy and a bit cooler with a slight (20%) chance of rain and a slight (20%) chance of thunderstorms Saturday afternoon, partly cloudy with a slight (20%) of rain Saturday night,
- Some AM clouds, sunny and a bit warmer Sunday afternoon, mostly clear at night,
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Some AM clouds, sunny and a bit warmer Tuesday afternoon.
- highs 80-85 lows near 55. (seasonal averages high 86 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- AM clouds, sunny and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy late tonight,
- Mostly cloudy start, partly cloudy and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly cloudy late at night,
- AM clouds, sunny and a bit cooler Friday, then partly cloudy with a slight (20%) chance of rain late Friday night.
- highs near 70 lows 52-56 cooling to 54 Friday night.
- Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy and a bit cooler with a slight (40%) chance of rain Saturday afternoon, partly cloudy with a slight (20%) chance of rain Saturday night,
- Partly cloudy and a bit warmer Sunday and Monday, partly cloudy Sunday night,
- Then partly cloudy Tuesday.
- highs 67-70 lows 54-52 warming back to 54 Sunday night. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit warmer today, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late tonight,
- Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, just mostly cloudy late at night,
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Friday, mostly cloudy with a (40%) chance of evening showers, then partly cloudy with a (40%) chance of showers late Friday night.
- free air freezing level 13,000 ft. today, then snow level above 8,000 ft. Wednesday night through Friday night.
- highs 69-63 warming to 66 Friday lows 44-46.
- A mix of clouds and sun and a bit warmer with a (40%) chance of showers and a slight (20%) chance of thunderstorms Saturday, mostly cloudy with a (30%) chance of thunderstorms Saturday night,
- Mostly sunny and a bit cooler Sunday, partly cloudy at night,
- Then mostly sunny and a bit warmer Monday and Tuesday, mostly clear Monday evening, partly cloudy late Monday night,
- snow level above 8,000 ft. Saturday, free air freezing level 12,000 ft. Saturday night, 11,000 ft. Sunday, 12,000 ft. Sunday night, then 13,000 ft. Monday through Tuesday.
- highs 62-66 lows 42-43.